Questions[]
1) What causes most broken bones?[]
A) Too little blood flow to a bone
B) Too much stress placed on a bone
C) A muscle or tendon detaching from a bone
D) A lack of marrow inside a bone
Correct Answer: B
2) What is the major difference between a closed fracture and an open fracture?[]
A) In a closed fracture, the bone doesn't break the skin; in an open fracture, it does
B) In a closed fracture, the bone breaks all the way through; in an open fracture, it doesn't
C) In a closed fracture, the bone breaks the skin; in an open fracture, it doesn't
D) In a closed fracture, the bone doesn't break all the way through; in an open fracture, it does
Correct Answer: A
3) Which of the following images depicts an incomplete fracture?[]
A) (picture of an complete fracture; the bones have a gap in between them)
B) (picture of an open fracture; the bones have a gap in between them)
C) (picture of an complete fracture; the bones have a small gap in between them)
D) (picture of an incomplete fracture; the bones have a crack in between them)
Correct Answer: D
4) What might cause a stress fracture? Choose the best answer.[]
A) A sudden fall from a tree
B) A heavy object landing on your foot
C) Too much physical activity over a long period of time
D) Being involved in a car accident
Correct Answer: C
5) What happens immediately after a bone breaks?[]
A) The end of each piece of bone becomes brittle and dies
B) The bone begins producing new tissue to bind the break
C) Marrow from inside the bone begins leaking into the break
D) Nothing happens, so the bone has to be glued together by a doctor
Correct Answer: B
6) What can you infer about x-rays from the information presented in the movie?[]
A) They help doctors identify the location and severity of fractures
B) They help bones heal
C) They are useful in healing simple fractures, but not compound fractures
D) They are rarely used when patients have broken bones
Correct Answer: A
7) Why do doctors use casts to repair broken bones?[]
A) Medicine inside the cast helps the bones heal
B) The cast immobilizes the bones so they mend properly
C) The cast gives patients a greater range of mobility
D) The cast prevents other bones from breaking
Correct Answer: B
8) In the movie, Tim says that kids' bones are more pliable than adults'. What is the best synonym for "pliable?[]
A) Hard
B) Small
C) Brittle
D) Flexible
Correct Answer: D
9) How can older adults avoid osteoporosis?[]
A) By making sure they don't put too much stress on their bones
B) By consuming plenty of calcium and vitamin D
C) By avoiding all physical activity
D) By consuming plenty of red meat
Correct Answer: B
10) Which of the following types of fractures has the greatest chance of not healing properly?[]
A) A greenstick fracture
B) A stress fracture
C) A compound fracture with an infection at the site of the break
D) A closed fracture
Correct Answer: C